diff --git a/neutron_tempest_plugin/api/base.py b/neutron_tempest_plugin/api/base.py
index c4bc71d..e7e1e86 100644
--- a/neutron_tempest_plugin/api/base.py
+++ b/neutron_tempest_plugin/api/base.py
@@ -670,6 +670,7 @@
     @classmethod
     def delete_router(cls, router, client=None):
         client = client or cls.client
+        client.remove_router_extra_routes(router['id'])
         body = client.list_router_interfaces(router['id'])
         interfaces = [port for port in body['ports']
                       if port['device_owner'] in const.ROUTER_INTERFACE_OWNERS]